So can i use a lime sand based plaster on concrete so that the wall can breathe.
Plaster over poured concrete walls.
In this video keep in mind these same methods also work on how to apply cement plaster over concrete the same system work also on cinder block walls.
How to plaster a concrete wall step 1.
The mixture can be placed.
Once the base coat cures not dries you can apply a finish coat of plaster.
Install metal lath over the painted concrete wall if you don t want to sandblast.
Remove any crumbling or damaged sections of plaster.
The loose sections should be easy to remove by hand.
Use a wire brush to clean stains left by the mold or mortar joints.
Stucco on concrete pre cast poured in place and tilt up placing portland cement plaster on concrete structures is a fairly simple process and successful application provided a few preliminary steps are taken to ensure bond.
To prepare the surface for the plaster of paris you would first need to apply a scratch coat base coat.
Prepare the concrete wall.
Concrete and just skim over the rough areas.
In addition if plastering over an interior smooth surface such a concrete or cinder block wall you can also use a plaster bonder to improve adhesion of the base coat.
The texture of the concrete walls should be sufficiently rough so the plaster will adhere to it.
Or should i use a cement lime plaster.
Caulk any cracks.
And whats the difference.
Step 2 apply a layer of dash.
If the wall has been painted and the paint is peeling or flaking all of the paint.
Or just plain portland.
Before you begin to plaster your concrete walls you need to remove peeling paint and flaking bits of old plaster.
Cement plaster can and is also also called stucco mud or bement plaster mortar i m sure there are about another 10 different names folks from all over the world call cement plaster but hopefully you get the idea.
Your walls should be free of paint oil and dust so the plaster can bond properly.
Wed sep 01 2010 7 38 am.
Apply a thin.
Use 7 8 inch concrete screws.
Caulk cracks and kill any mold on the walls.
Blend a bag of plaster mix with water according to the manufacturer s instructions.